[  524.018006] netdevsim netdevsim482 eni482np1: renamed from eth0
[  524.115596] netdevsim netdevsim737 eni737np1: renamed from eth1
[  524.345715] Could not find device with ifindex 2000 in netnsfd 11
[  524.345875] Could not find netns with fd: 2000
[  524.345957] Cannot link a netdevsim to itself
[  524.346053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).